Finding the Fourth Proportional to 5,656,362.68, 7,805,943.36 and 3,078,206.79
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Solution
The fourth proportional to 5,656,362.68, 7,805,943.36 and 3,078,206.79 is: 4,248,014.00
Step by Step Solution
- Step 1: Write the proportion equation
5,656,362.68 : 7,805,943.36 = 3,078,206.79 : x - Step 2: Convert to fraction form
5,656,362.68/7,805,943.36 = 3,078,206.79/x - Step 3: Cross multiply
5,656,362.68x = 7,805,943.36 × 3,078,206.79 - Step 4: Simplify right side
5,656,362.68x = 24,028,307,853,107.41 - Step 5: Solve for x
x = 24,028,307,853,107.41/5,656,362.68 - Step 6: Final answer
x = 4,248,014.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.